I had the Dynon heated AOA pitot in my first RV8 and switched to the Garmin G3X System when it first came out. I kept my Dynon AOA pitot tube and used it with the Garmin system, including the Garmin GI260 AOA indicator mounted on my glareshield, and it worked perfectly. The Garmin tube was cheaper, but I already had the Dynon unit installed, so I used it. No issues.
RV6/2001 built/sold 2005
RV8 Fastback/2008 built/sold 2015
RV4/bought 2019 Flying